Ferritin is a protein that stores iron in the body, and its levels are crucial for diagnosing various health conditions, especially those related to iron deficiency or overload. A Ferritin test or Ferritin blood test is commonly used to measure the amount of ferritin in your blood, providing valuable insights into your iron levels. If you're experiencing symptoms of low iron, such as fatigue or weakness, a Ferritin blood test can help determine whether you have low Ferritin levels. For convenience, a Ferritin test kit is also available for home use, allowing you to monitor your iron levels easily.